Question

1.Efetue as adições e as subtrações no caderno.
a) (+2/5) + (-1/3)
b) (-5/8) - (+3/8)

me ajudem pfvr

Answer 1

Resposta:

Explicação passo-a-passo:

a) (+2/5) + (-1/3) = +2/5 - 1/3 = (3.2 - 5.1)/15 = (6 - 5)/15 = 1/15

b) (-5/8) - (+3/8) = -5/8 - 3/8 = (-5 - 3)/8 = -8/8 = -1

Answer 2

a) (+2/5) + (-1/3) = (+6/15) + (-5/15) = 6/15 - 5/15 = 1/15

b) 1